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Youhei Ishikawa

OpenAlex ID: A5103735803
Miniaturized Duplexer Using Rectangular Coaxial Dielectric Resonators for Cellular Portable Telephone
1991 · H. Matsumoto, Tadahiro Yorita, et al. · IEICE Transactions on Electronics · 11
1.9 GHz Compact Low Loss Dielectric Duplexer Designed by Dual Mode Waveguide Transmission Line Method
1994 · Youhei Ishikawa, Jun Hattori, et al. · European Microwave Conference (EuMC) · 10
800 MHz High Power Bandpass Filter using TM Dual Mode Dielectric Resonators
1991 · Youhei Ishikawa, Jun Hattori, et al. · European Microwave Conference (EuMC) · 10
Planar Type Dielectric Resonator Filter at Millimeter-Wave Frequency (Special Issue on Microwave Devices for Mobile Communications)
1996 · Youhei Ishikawa, Toshiro Hiratsuka, et al. · IEICE Transactions on Electronics · 7
A Signal-to-Noise Enhancer with Extended Bandwidth Using Two MSSW Filters and Two 90 Hybrids
1995 · Youhei Ishikawa, Toshihiro Nomoto, et al. · IEICE Transactions on Electronics · 7
Extremely low distortion dielectric ceramics
1992 · Youhei Ishikawa, Hiroshi Tamura, et al. · Ferroelectrics · 5
4GHz Band Band-Pass Filter using an Orthogonal Array Coupling TM110 Dual Mode Dielectric Resonator
1989 · Toshio Nishikawa, Youhei Ishikawa, et al. · European Microwave Conference (EuMC) · 5
Noise Temperature of Active Feedback Resonator (AFR)
1993 · Youhei Ishikawa, Sadao Yamashita, et al. · IEICE Transactions on Electronics · 3
A Miniature Isolator for 800 MHz Band Mobile Communication Systems
1991 · Youhei Ishikawa, Takekazu Okada, et al. · IEICE Transactions on Electronics · 3
Dielectric Resonator Method for Nondestructive Measurement of Complex Permittivity of Microwave Dielectric Substrates
1990 · Toshio Nishikawa, Kikuo Wakino, et al. · European Microwave Conference (EuMC) · 3
Low‐profile filter using open disk dual‐mode dielectric resonators
1996 · Youhei Ishikawa, Seiji Hidaka, et al. · Electronics and Communications in Japan (Part II Electronics) · 2
Compact duplexer using capacitive loaded dual mode resonator for GSM microcellular base station
1996 · Jun Hattori, Hiroyuki Kubo, et al. · European Microwave Conference (EuMC) · 1
Complex permittivity measurement of dielectric materials using nonradiative dielectric guide at millimeter wavelength
1996 · Youhei Ishikawa, Tohru Tanizaki, et al. · Electronics and Communications in Japan (Part II Electronics) · 1
Study of a tapered dielectric waveguide using electromagnetic field simulators and a modal analysis technique
2008 · Yoshinori Kogami, Masashi Yanagase, et al. · IEICE Technical Report; IEICE Tech. Rep.
Fabrication and Microwave Operation of Dual-mode Ba(Sn,Mg,Ta)O3 Resonator with Bi2223 Thick Film as Superconductor Electrodes
2000 · Yuji Kintaka, Norifumi Matsui, et al. · Springer eBooks
Miniatrzed Dielectric Duplexer Using TM Triple Mode Resonators For 800MFHz Band Cellular Base Station
1997 · Jun Hattori, Hiroyuki Kubo, et al. · European Microwave Conference (EuMC)
Low profile filter using open disk dual mode dielectric resonators for microcellular base station
1995 · Youhei Ishikawa, Seiji Hidaka, et al. · European Microwave Conference (EuMC)
Low profile filter using open disk dual mode dielectric resonators
1995 · Youhei Ishikawa, Seiji Hidaka, et al. · 電子情報通信学会技術研究報告. MW, マイクロ波
Low Loss Characteristics of Coupled Thin Film Multilayer Electrode at Microwave Frequencies
1995 · Youhei Ishikawa, Seiji Hidaka · Proceedings of the IEICE General Conference
2. Present & Future Trends of Dielectric Resonator Filter Technology for Mobile Communication Systems
1991 · Youhei Ishikawa · IEEJ Transactions on Electronics Information and Systems
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4‐GHz band bandpass filter using orthogonal array coupling TM110dual mode dielectric resonator
1990 · Toshio Nishikawa, Youhei Ishikawa, et al. · Electronics and Communications in Japan (Part II Electronics)
Using Active Feedback Resonator Method for Cellular Base Stations
1989 · Youhei Ishikawa, Toshio Nishikawa, et al.
800 MRz Band Channel Dropping Filter Using TMOIO mode
1984 · Toshio Nishikawa, K. Wakino, et al.
Works count: 23
Citation count: 68
H-index: 5
I10-index: 3
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